PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38273Valve Flapper,pump

Dionex Corporation · NSN 4320-01-430-3453 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-430-3453 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-430-3453. Primary manufacturer part number: 38273.
Features
  • Valve Flapper,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Dionex Corporation
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Flow control in piping systems
  • Pressure regulation
General Description

The Valve Flapper,pump, cataloged under National Stock Number 4320-01-430-3453, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dionex Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Flapper,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersDionex Corporation (CAGE 21248)
Technical Specifications
ParameterValue
NSN4320-01-430-3453
Primary Part Number38273
Item NameValve Flapper,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDionex Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-350-44928380683 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-536-881866289 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
4310-00-607-348318387 INTERCHANGEABLE
Connecting Rod,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
4720-01-085-25713031560 INTERCHANGEABLE
Hose,nonmetallic
Cummins Inc.
4720-01-109-20523016185 INTERCHANGEABLE
Hose,nonmetallic
Cummins Inc.
4720-01-109-40743026395 INTERCHANGEABLE
Hose,nonmetallic
Cummins Inc.
3120-01-184-35625T1242 INTERCHANGEABLE
Bearing,sleeve
Caterpillar Inc Div Caterpillar Defense
4720-01-303-63893022735 INTERCHANGEABLE
Hose,nonmetallic
Cummins Inc.
4720-01-309-492238273-0389R55 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
38273 PRIMARY Dionex Corporation (USA)
Related Parts
3120-00-350-4492INTERCHANGEABLE
BEARING,SLEEVE
8380683
5330-00-536-8818INTERCHANGEABLE
GASKET
66289
4310-00-607-3483INTERCHANGEABLE
CONNECTING ROD,PISTON
18387
4720-01-085-2571INTERCHANGEABLE
HOSE,NONMETALLIC
3031560
4720-01-109-2052INTERCHANGEABLE
HOSE,NONMETALLIC
3016185
4720-01-109-4074INTERCHANGEABLE
HOSE,NONMETALLIC
3026395
3120-01-184-3562INTERCHANGEABLE
BEARING,SLEEVE
5T1242
4720-01-303-6389INTERCHANGEABLE
HOSE,NONMETALLIC
3022735
4720-01-309-4922INTERCHANGEABLE
HOSE,NONMETALLIC
38273-0389R55

Frequently Asked Questions

What is NSN 4320-01-430-3453?

NSN 4320-01-430-3453 is a Valve Flapper,pump, manufactured by Dionex Corporation, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-430-3453?

NSN 4320-01-430-3453 has 1 cross-referenced part number: 38273 (Dionex Corporation).

What NSN replaces 4320-01-430-3453?

There are 9 known substitutes for 4320-01-430-3453: 3120-00-350-4492, 5330-00-536-8818, 4310-00-607-3483 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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